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  ġ : HOME > Digilent > FPGA & Programmable Logic 

NEXYS4
Artix-7 FPGA Trainer Board Recommended for ECE Curriculum
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The Nexys 4 board is a complete, ready-to-use digital circuit development platform based on the latest Artix-7 Field Programmable Gate Array (FPGA) from Xilinx. The Artix-7 FPGA is optimized for high performance logic and offers more capacity, higher performance, and more resources than earlier designs. With its large, high-capacity FPGA (Xilinx part number XC7A100T-1CSG324C), generous external memories, and collection of USB, Ethernet, and other ports, the Nexys 4 can host designs ranging from introductory combinational circuits to powerful embedded processors. Several built-in peripherals, including an accelerometer, temperature sensor, MEMs digital microphone, speaker amplifier, and several I/O devices allow the Nexys 4 to be used for a wide range of designs without needing any other components.

The Nexys 4 is compatible with Xilinx's new high-performance Vivado Design Suite as well as the ISE toolset, which includes ChipScope and EDK. Xilinx offers free WebPACK versions of these toolsets, so designs can be implemented for no additional cost.

Support Materials

Datasheet (PDF) Schematics (PDF)

For all other material:

Resource Center

The Nexys 4 is no longer in production and is not recommended for new installations. When the current stock is depleted, it will be discontinued. We suggest migration to the Nexys 4 DDR.

The Nexys 4 onboard programming circuitry is not supported by the Hardware Server in Vivado 2013.2 and earlier. The FPGA must be programmed using iMPACT in these versions of Vivado. The Hardware Server in versions 2013.3 and newer fully support the Nexys 4.

If you would like an evaluation board for academic purposes, you can apply for a donation through the Xilinx University Program.

Stats:

Processor/IC: Xilinx Artix-7 FPGA XC7A100T-1CSG324C

Features:

  • Xilinx Artix-7 FPGA XC7A100T-1CSG324C
  • 15,850 logic slices, each with four 6-input LUTs and 8 flip-flops
  • 4,860 Kbits of fast block RAM
  • Six clock management tiles, each with phase-locked loop (PLL)
  • 240 DSP slices
  • Internal clock speeds exceeding 450 MHz
  • On-chip analog-to-digital converter (XADC)
  • 16Mbyte CellularRAM
  • Serial flash
  • Digilent USB-JTAG port for FPGA programming and communication
  • microSD card connector
  • Ships with rugged plastic case and USB cable
  • USB-UART Bridge
  • 10/100 Ethernet PHY
  • PWM audio output
  • 3-axis accelerometer
  • 16 user switches
  • 16 user LEDs
  • Two tri-color LEDs
  • PDM microphone
  • Temperature sensor
  • Two 4-digit 7-segment displays
  • USB HID host for mice, keyboards, and memory sticks
  • Pmod for XADC signals
  • Four Pmod ports
  • 12-bit VGA output

What's
Included:

  • Nexys 4 board
  • Custom Digilent cardboard box with protective foam
  • One USB A to micro-B cable


Introduction

The Nexys 4 board is a complete, ready-to-use digital circuit development platform based on the latest Artix-7 Field Programmable Gate Array (FPGA) from Xilinx. With its large, high-capacity FPGA (Xilinx part number XC7A100T-1CSG324C), generous external memories, and collection of USB, Ethernet, and other ports, the Nexys 4 can host designs ranging from introductory combinational circuits to powerful embedded processors. Several built-in peripherals, including an accelerometer, temperature sensor, MEMs digital microphone, speaker amplifier and lots of I/O devices allow the Nexys 4 to be used for a wide range of designs without needing any other components.

The Artix-7 FPGA is optimized for high performance logic, and offers more capacity, higher performance, and more resources than earlier designs. Artix-7 100T features include:

  • 15,850 logic slices, each with four 6-input LUTs and 8 flip-flops
  • 4,860 Kbits of fast block RAM
  • Six clock management tiles, each with phase-locked loop (PLL)
  • 240 DSP slices
  • Internal clock speeds exceeding 450MHz
  • On-chip analog-to-digital converter (XADC)

The Nexys 4 is compatible with Xilinxs new high-performance Vivado Design Suite as well as the ISE toolset, which includes ChipScope and EDK. Xilinx offers free Webpack versions of these toolsets, so designs can be implemented for no additional cost.


Revision History

The Nexys 4 is currently on its initial release revision, Revision B. The revision of a particular board is indicated on the bottom side of the PCB next to the unique 6 Digit board number that begins with D.

Migration to the Nexys 4 DDR

As of Feb 2015- the cellular RAM used on the Nexys 2 , Nexys 3 and the Nexys 4 was EOL. EOL Announcement

To help with this, we have created a Migration Guide to assist you to change your course over. Nexys4-DDR Migration Guide: Nexys4

Documentation

  • SchematicPDF
    • PDF Schematic of the PCB generated by Altium
  • Reference ManualWiki PDF
    • Technical description of the Nexys 4 and all of its features. The Wiki page may contain more up-to-date information and fewer typos than the PDF.
  • Getting Started GuideWiki
    • Great starting point for new Nexys 4 owners. Includes the kit contents, instructions for running the out of box demo, and instructions for building a simple design.
  • Sell SheetPDF

Design Resources

  • Master XDCZIP
    • This package contains the master XDC that defines the pin constraints for every device on the Nexys 4 in Vivado.
  • Master UCFZIP
    • This package contains the master UCF that defines the pin constraints for every device on the Nexys 4 in ISE.

Reference Projects

  • Basic User DemoWiki
    • Basic demo that uses the onboard UART, Microphone, audio output, and GPIO devices.
  • Abacus DemoWiki
    • Implements several arithmetic operations using the switches as inputs and displaying the result on the 7-segment display
  • Nexys 4 User DemoWiki The demo that is loaded in the QSPI flash at the factory. This complex design uses nearly every peripheral device on the Nexys 4
  • XADC DemoWiki
    • Basic demo that shows a simple implementation with the Artix-7 XADC
  • VGA Test Pattern with Mouse OverlayWiki
    • This project generates a test pattern on the VGA port and also displays a pointer that can be controlled with a mouse attached to the USB-HID port
  • Getting Started with MicroBlaze ServersWiki
    • Follow this tutorial on how to get an echo server running with MicroBlaze using Vivado IP generator.

—-

FAQ

This list will be populated as common questions are identified on the Digilent Forum.

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